1. Patriotism: Yue Fei was a famous general in the Southern Song Dynasty. He has been fighting for national security all his life, and patriotism is one of his most important spiritual qualities.
2. Loyalty and strictness: Yue Fei's loyalty and strictness is another core of his spirit. Loyalty to the country, caring for the people and strict enforcement of military discipline are all important components of this spirit.
3. Filial piety: Yue Fei's filial piety to his mother and strict attitude towards family management all reflect the spirit of filial piety.